Net Contents
120 Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
Not specified
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
7 40985 27087 5
Product Version
500847-0617N
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
2 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
1 ingredients report an established %DV per serving.
Label states: Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 1 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Calcium(Calcium Carbonate) | 94 mg | 8% |
| Melatonin | 5 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: As a dietary supplement, adults take one (1) tablet 30 minutes before bedtime or as directed by a healthcare provider.
Warnings & Precautions
Precautions re: All Other
Do not exceed recommended dosage.
Precautions re: All Other
Caution: Do not take if you are operating machinery or a vehicle.
Precautions re: Children
Not intended for those under the age of 18.
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: Consult healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.
Precautions re: All Other
Stop use and contact a physician if adverse reactions occur.
Precautions re: Children
Keep out of reach of children.
Precautions re: All Other
Do not use if product appears to be tampered with or seal is broken.
Storage
Storage
Store at room temperature.
Formulation
Formulation re: Other
Unconditionally guaranteed for purity, freshness and label potency.
Formulation re: Does NOT Contain
Gluten free
Formulation re: Does NOT Contain
No added sugar, yeast, preservatives, artificial flavors or colors.
Formulation re: Other
Relaxation & sleep support
Formulation re: Does NOT Contain
Gluten free
Formula re: Contains
Melatonin works in harmony with your natural sleep cycle to promote relaxation and sleep so you can wake up refreshed and revitalized.
FDA Statements
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
FDA Statement of Identity
Dietary Supplement
Other Label Statements
General Statements: All Other Content
Individual results may vary.
Seals/Symbols
Guaranteed Quality Laboratory Tested
Manufacturer & Distributor
Manufacturer
21st Century HealthCare, Inc.
2119 S. Wilson St., Tempe, AZ, 85282, USA
Market Reference
21st Century Melatonin 5 mg 120 Tablets
21st-century-vitamins4.8(7600)$8.9921st Century VitaJoy Melatonin 5 mg 120 ea
21st-century-vitamins4.7(1300)$9.9921st Century Melatonin 5mg Maximum Strength 120 ea
Walmart - Wisermerchant3.8(4)$12.3521st Century Zoo Friends Sleep Chewable Melatonin Tablets
Wellnessbetter.com4.8(474)$6.3621st Century Melatonin Tablets/Capsules
Pasteur Pharmacy$78.65Case of 12-21st Century Melatonin 5mg Tablets 120ct
AmericanPharmaWholesale.com$65.49Melatonin Fast Dissolve Natrol
Target4.7(9000)$9.19Sleep Essentials Bundle
21st-century-vitamins$25.58
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
Rvm Supplements Store
5.0 (121)Vitamin & supplements store
3634 Main St, Stratford, CT 06614
Foundation Vitamins & Sport Supplements
4.9 (61)Vitamin & supplements store
890 Bridgeport Ave Ste 14, Shelton, CT 06484
The Vitamin Shack
3.1 (17)Vitamin & supplements store
1625 Main St, Stratford, CT 06615
Nutrition Tech
5.0 (1)Vitamin & supplements store
1625 Main St, Stratford, CT 06615
Supplements Unlimited
5.0 (3)Store
1010 South Ave, Stratford, CT 06615
Nature's Way Health Foods
4.3 (113)Health food store
922 Barnum Avenue Cutoff, Stratford, CT 06614
4life Transfer Factor Bridgeport
5.0 (1)Vitamin & supplements store
228 Palisade Ave, Bridgeport, CT 06610
VitalMax Vitamins
Vitamin & supplements store
500 Bic Dr, Milford, CT 06461
Research & Studies
Is melatonin the “next vitamin D”?: a review of emerging science, clinical uses, safety, and dietary supplements
DM Minich, M Henning, C Darley, M Fahoum… - Nutrients, 2022 - mdpi.com
… health prompted by the pandemic and its lasting effects on mental health and sleep disturbances, melatonin (N-acetyl-5… For instance, 0.5 mg and 3.0 mg of melatonin taken eleven hours …
2022215 citationsUnlocking the health benefits of melatonin supplementation: A promising preventative and therapeutic strategy
FS Azzeh, WW Kamfar, MM Ghaith, RT Alsafi… - Medicine, 2024 - journals.lww.com
… from metabolic syndrome, demonstrating that a 5 mg/d MLT regimen improved … health challenge in the 21st century. [ 55 ] In industrialized nations, obesity is becoming a serious health …
202410 citationsMelatonin supplementation: new insights into health and disease
TP Minari, LP Pisani - Sleep and Breathing, 2025 - Springer
… Melatonin supplementation has gained considerable attention for its potential health impacts. This study aimed to review the recent literature on melatonin supplementation and its …
202517 citationsSafety of higher doses of melatonin in adults: a systematic review and meta‐analysis
Z Menczel Schrire, CL Phillips… - Journal of Pineal …, 2022 - Wiley Online Library
… Melatonin is one of the most commonly used supplements … Lower doses of immediate and sustained release (0.5–5 mg) … cut-off of when melatonin could be introduced as a public health …
2022165 citationsMelatonin as a potential agent in the treatment of sarcopenia
A Coto-Montes, JA Boga, DX Tan, RJ Reiter - International journal of …, 2016 - mdpi.com
… need by health professionals. Based on what is known about the actions of melatonin, we … of melatonin against the features which constitute the multi-pathology called sarcopenia. …
201673 citationsMelatonin as an adjunctive therapy in cardiovascular disease management
Z Luo, YY Tang, L Zhou - Science progress, 2024 - journals.sagepub.com
… showed that healthy men taking regular melatonin supplementation had … melatonin had no effect on the weight of the left ventricle. Another study found that a 5 mg per night melatonin …
202411 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-08-23. DSLD Label ID: 233568. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
Related Products

01-02 Enhanced Fat Melting Matrix
ATS Labs

1000 mg Vitamin C Acai Berry
Emergen-C

1000 mg Vitamin C Cranberry Pomegranate
Emergen-C

1000 MG Vitamin C Cranberry-Pomegranate
Emergen-C